G01N 2021/4754
Diffuse illumination
Official title: {Diffuse illumination}
G01N2021/4754 (Diffuse illumination) appears on 11 US grants and 11 published applications in this corpus.
Search patents in G01N- Granted patents
- 11
- Published applications
- 11
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Skin examination device11 Aug 2026US 12,702,305 B2Macquarie Medical Systems Pty Ltd
- System and method of measuring hematocrit16 Jul 2019US 10,352,922 B2Thermo Finnigan LLC
- Light-based shielding detection18 Jun 2019US 10,324,032 B2Apple Inc.
- Measuring arrangement for reflection measurement21 Aug 2018US 10,054,484 B2Carl Zeiss Spectroscopy GmbH
- Light-based shielding detection26 Dec 2017US 9,851,298 B1Apple Inc.
- Electrode tape inspection device and electrode tape inspection method using the same23 Jul 2026US 2026/0210851 A1LG Energy Solution, Ltd.
- Skin examination device15 May 2025US 2025/0152012 A1Macquarie Medical Systems Pty Ltd
- Diffuse multi-reflection optical device with light re-direction for spectrometer collection7 Mar 2024US 2024/0077419 A1Si-Ware Systems
- System and method of measuring hematocrit21 Feb 2019US 2019/0056378 A1Thermo Finnigan LLC
- Light-based shielding detection19 Jul 2018US 2018/0202927 A1Apple Inc.
Most cited
By later US patents
- Apparatus for textile color analysis15US 3,999,860 AInternational Business Machines Corporation · 1976
- Apparatus for textile color analysis15US 4,033,698 AInternational Business Machines Corporation · 1977
- Integrating optical system and methods12US 8,854,734 B2Vela Technologies, Inc. · 2014
- Light-based shielding detection12US 9,851,298 B1Apple Inc. · 2017
- Apparatus for analysing surface properties with indirect illumination4US 7,741,629 B2BYK Gardner GmbH · 2010